Problem Set 2
CBE 220
Problem 1
Water (a Newtonian fluid) is pumped through a narrow slit formed by two parallel walls that
are separated by a distance of 2B. The width of the slit is W and the length of the slit is L. The
slit dimensions are such that W/

Example Test problems
Advanced Mass Transfer
CBE 220
Fall 2011
Instructor: Y. Cohen
PROBLEM 1
The following questions require a short explanation (1-2 sentences) which may be accompanied
by a figure or the appropriate equation. Some questions may simply r

Problem Set #3
CBE220
Problem 1
It is proposed to determine the diffusivity of a gas in a solid polymer by performing the following
diffusion experiment. A thin polymer slab of thickness 2yo is placed inside a vessel containing the
pure gas. The pressure

Problem Set 1
CBE 220 Winter 2017
Problem 1
Derive the equation of continuity for a mixture starting with the individual component
continuity equation. Be sure to show all of your intermedia steps.
Problem 2
Derive the component continuity equation in ter

January 7, 2015
Characterizing Mass Transfer
Describe change in concentration of a given species (in
a fluid or a solid) with respect to time and position
Fluids:
Composed of molecules that collide with one another and
solid objects
Can be described v

CH ENGR 103
Homework #2
Due: Thursday 4/14/2016, Beginning of Class
Spring 2016
Students are encouraged to first attempt to solve the problems on their own before discussing the
assignment with peers, and each student must turn in individually completed a

CH ENGR 103
Homework #1 (Solutions)
Due: Tuesday 4/5/2016, Beginning of Class
Spring 2016
Students are encouraged to first attempt to solve the problems on their own before discussing the
assignment with peers, and each student must turn in individually c

CHAPTER 9
INTERFACIAL MASS TRANSFER
9.1
Interfacial Mass Transfer of Dissolved Solutes
In order to illustrate the concept of interfacial (interface) mass transfer let's consider the
process of transport of a volatile chemical across the air/water interfac

Thursday, October 11, 2012
Characterizing Mass Transfer
Describe change in concentration of a given species (in
a fluid or a solid) with respect to time and position
Fluids:
Composed of molecules that collide with one another and
solid objects
Can be